MR82 SERIES MEDIUAM / HAVY DUTY - Machined brass body & bonnet - Easy-to-read single scale 2" gauges - 15/8" tri-layered reinforced neoprene diaphragm - Mechanical stem type seat - T-handle for smooth flow adjustment - Porous bronze inlet filter - Fine mesh filter screen between inlet and seat - Pressure relief device for low pressure gauge protection only CGA / ACETYLENE INLET / 510 OUTLET / “B” (LH) CONNECTION / 9/16"-18(M) DEL. PSIG / 2-15 REPLACEMENT / G2S; 30 PSI (RL) 2" GAUGES / G1S; 400 PSI IMENSIONS / Depth: 4 .1/ 2" / Width: 7" / Height: 5 .1/ 2" / Weight: 2 .1/2lbs